• discipline of graph theory, a graph labeling is the assignment of labels, traditionally represented by integers, to edges and/or vertices of a graph. Formally...
    9 KB (1,060 words) - 22:11, 26 March 2024
  • Thumbnail for Graceful labeling
    A graph which admits a graceful labeling is called a graceful graph. The name "graceful labeling" is due to Solomon W. Golomb; this type of labeling was...
    9 KB (941 words) - 17:04, 24 March 2025
  • In graph theory, an edge-graceful labeling is a type of graph labeling for simple, connected graphs in which no two distinct edges connect the same two...
    6 KB (818 words) - 12:49, 14 May 2025
  • Weak coloring (category Graph coloring)
    In graph theory, a weak coloring is a special case of a graph labeling. A weak k-coloring of a graph G = (V, E) assigns a color c(v) ∈ {1, 2, ..., k}...
    4 KB (435 words) - 13:44, 19 August 2024
  • Thumbnail for Graph coloring
    the same color. Graph coloring is a special case of graph labeling. In its simplest form, it is a way of coloring the vertices of a graph such that no two...
    70 KB (8,459 words) - 05:58, 16 May 2025
  • theorem Girth Graph drawing Graph homomorphism Graph labeling Graceful labeling Graph partition Graph pebbling Graph property Graph reduction Graph-structured...
    7 KB (663 words) - 02:52, 24 September 2024
  • Thumbnail for Tree (graph theory)
    In graph theory, a tree is an undirected graph in which any two vertices are connected by exactly one path, or equivalently a connected acyclic undirected...
    27 KB (3,383 words) - 16:48, 14 March 2025
  • application of graph theory, where subsets of connected components are uniquely labeled based on a given heuristic. Connected-component labeling is not to...
    27 KB (3,190 words) - 11:16, 26 January 2025
  • classification algorithm produces a canonical labeling of a graph chosen uniformly at random from the set of all n-vertex graphs after only two refinement steps. Small...
    10 KB (1,112 words) - 11:04, 25 October 2024
  • or edges have labels. The terms vertex-labeled or edge-labeled may be used to specify which objects of a graph have labels. Graph labeling refers to several...
    109 KB (16,011 words) - 18:32, 30 April 2025
  • Thumbnail for Multigraph
    vertices and the same arc label (note that this notion of a labeled graph is different from the notion given by the article graph labeling). Multidimensional...
    8 KB (1,028 words) - 19:53, 10 April 2025
  • Thumbnail for Book (graph theory)
    and a single edge. The 7-page book graph of this type provides an example of a graph with no harmonious labeling. A second type, which might be called...
    5 KB (735 words) - 23:05, 29 October 2024
  • Franklin graph Frucht graph Goldner–Harary graph Golomb graph Grötzsch graph Harries graph Harries–Wong graph Herschel graph Hoffman graph Holt graph Horton...
    14 KB (1,247 words) - 18:21, 11 May 2025
  • for many graph-related algorithms, including topological sorts and planarity testing. Input: A graph G and a vertex v of G. Output: A labeling of the edges...
    11 KB (1,492 words) - 19:56, 12 October 2024
  • Thumbnail for Friendly-index set
    Friendly-index set (category Graph theory objects)
    a type of graph labeling called a friendly labeling. A friendly labeling of an n-vertex undirected graph G = (V,E) is defined to be an assignment of...
    2 KB (275 words) - 15:44, 3 February 2025
  • Thumbnail for Friendship graph
    graph labeling", Electronic Journal of Combinatorics: DS6, doi:10.37236/27. Erdős, Paul; Rényi, Alfréd; Sós, Vera T. (1966), "On a problem of graph theory"...
    8 KB (849 words) - 05:58, 13 April 2025
  • Thumbnail for Graph (discrete mathematics)
    In discrete mathematics, particularly in graph theory, a graph is a structure consisting of a set of objects where some pairs of the objects are in some...
    28 KB (3,671 words) - 04:30, 15 May 2025
  • A property graph, labeled property graph, or attributed graph is a data model of various graph-oriented databases, where pairs of entities are associated...
    12 KB (1,573 words) - 07:10, 11 May 2025
  • Thumbnail for Component (graph theory)
    not. The components of a graph can be constructed in linear time, and a special case of the problem, connected-component labeling, is a basic technique in...
    30 KB (3,441 words) - 12:55, 5 July 2024
  • Thumbnail for Graph property
    representations such as particular labellings or drawings of the graph. While graph drawing and graph representation are valid topics in graph theory, in order to focus...
    10 KB (1,182 words) - 09:40, 26 April 2025
  • Thumbnail for Molecular graph
    structural formula of a chemical compound in terms of graph theory. A chemical graph is a labeled graph whose vertices correspond to the atoms of the compound...
    4 KB (538 words) - 22:02, 30 April 2025
  • Thumbnail for Graph (abstract data type)
    science, a graph is an abstract data type that is meant to implement the undirected graph and directed graph concepts from the field of graph theory within...
    16 KB (1,763 words) - 02:32, 14 October 2024
  • A graph database (GDB) is a database that uses graph structures for semantic queries with nodes, edges, and properties to represent and store data. A key...
    53 KB (4,714 words) - 15:20, 21 May 2025
  • on the vertex labeling, its spectrum is a graph invariant, although not a complete one. Spectral graph theory is also concerned with graph parameters that...
    15 KB (1,844 words) - 20:28, 19 February 2025
  • Thumbnail for Implicit graph
    Intersection graphs An interval graph is the intersection graph of a set of line segments in the real line. It may be given an adjacency labeling scheme in...
    23 KB (2,839 words) - 17:41, 20 March 2025
  • Thumbnail for Graph isomorphism
    In graph theory, an isomorphism of graphs G and H is a bijection between the vertex sets of G and H f : V ( G ) → V ( H ) {\displaystyle f\colon V(G)\to...
    13 KB (1,638 words) - 02:31, 2 April 2025
  • Thumbnail for Directed acyclic graph
    In mathematics, particularly graph theory, and computer science, a directed acyclic graph (DAG) is a directed graph with no directed cycles. That is, it...
    45 KB (5,646 words) - 20:41, 12 May 2025
  • Thumbnail for Vertex (graph theory)
    specifically in graph theory, a vertex (plural vertices) or node is the fundamental unit of which graphs are formed: an undirected graph consists of a set...
    6 KB (806 words) - 05:45, 12 April 2025
  • sparse graphs, e.g., SAUCY processes some graphs with millions of vertices in mere seconds. However, BLISS and NAUTY can also produce Canonical Labeling, whereas...
    14 KB (1,343 words) - 16:54, 11 January 2025
  • computer science, graph transformation, or graph rewriting, concerns the technique of creating a new graph out of an original graph algorithmically. It...
    15 KB (1,815 words) - 20:31, 4 May 2025